Raypak VERSA IC, Installation & Operating Instructions Manual

Page: 69 / 80

69
Register Parameter Read/Write Format Note Register Address
System Status
Registers
MODBUS R S16 "0 = Off, 1 =
Monitor, 2 =
Temp, 3 = Rate" 0
System Supply
Temperature 1 6 1 S R
Outdoor
Temperature 2 6 1 S R
3 6 1 S R e r u t a r e p m e T W H D
Aux 1
Temperature 4 6 1 S R
Aux 2
Temperature 5 6 1 S R
6 6 1 S R p m u P m e t s y S
System Pump
Runtime
7 6 1 S R
8 6 1 S R p m u P W H D
DHW Pump
Runtime
9 6 1 S R
Setback R S16 Only relevant if
MODBUS =
MNTR 10
reserved
Table V: Modbus System Status Registers
ITEM RANGE DEFAULT
USER
SETTINGS
WHEN
DISPLAYED DESCRIPTION
MODBUS
OFF – MNTR – TEMP
– RATE
OFF Always
ModBus Operating Mode: Off,
Monitor, Temp Control, Rate
Control
ADDRESS 1 to 247 1 MODBUS ON ModBus slave address
DATA
TYPE
RTU <> ASCI RTU MODBUS ON ModBus data type
BAUD
RATE 2400 <> 9600 <> 19K2
<> 57K6 <> 115K
19K2 MODBUS ON
PARITY NONE - EVEN - ODD EVEN MODBUS ON
Even/Odd=1 stop bit,
None=2 stop bits
Table U: Modbus Screens